Author: STEVENSON, John J., 1887.:
Title: A geological reconnaissance of Bland, Giles, Whyte and portions of Pulaski and Montgomery Counties of Virginia. (Read before the American Philosophical Society, March 18, 1887.)
Description: Proc. Amer. Philos. Soc., 24: pp. 61-108, 2 pls. of sections, 1 fold. col. geol. map. 8vo. Offprint, orig. printed wrs. Very good.

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